Paradoxical sensation of nasal airflow in patients with common cold. Are we measuring the correct modality

摘要: Conclusions. A paradoxical relationship between objective and subjective measures of nasal obstruction exists in participants not exposed to any treatment. The sensation may be due the amalgamation many different sensations. Improved methods for measuring sensations are required further investigate obstruction. Objectives. In a recent study it was shown that patency increased as passages became objectively more obstructed patients who received placebo compared those an oral decongestant. This response explained effect, i.e. have expected feel less obstructed. aim present this interesting paradox by determining over time Material methods. total 60 healthy with common cold were recruited. Objective recorded at baseline 1 2 h using posterior rhinomanometry visual analogue scale. Results. demonstrated increase both considered together individual passages. Subjective decreased